Q: Is 309,985 a Prime Number?
A: No, 309,985 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 309985 can be evenly divided by 1 5 13 19 65 95 247 251 1,235 1,255 3,263 4,769 16,315 23,845 61,997 and 309,985, with no remainder.
Since 309,985 cannot be divided by just 1 and 309,985, it is not a prime number.